发明名称 Method of recording scrambled digital data, storage medium and method of reading such data
摘要 The method of recording scrambled digital data comprising the steps consisting in: (a) receiving a scrambled digital data stream; (b) identifying in the data stream a control packet (ECM) containing at least one key (CW) for descrambling at least a part of the data of the stream; (c) storing the control packet in a table; and (d) recording the data stream and the said table on a data storage medium. <??>A storage medium and a method of reading the recorded data are also proposed. <IMAGE>
申请公布号 EP1447983(A1) 申请公布日期 2004.08.18
申请号 EP20040100220 申请日期 2004.01.22
申请人 THOMSON LICENSING S.A. 发明人 DIASCORN, JEAN-LOUIS;ABELARD, FRANCK;VIAL, JEAN-FRANCOIS;DIEHL, ERIC
分类号 H04N5/91;G11B20/00;G11B20/10;G11B27/10;H04L9/08;H04N5/781;H04N5/783;H04N5/913;H04N7/167;H04N9/804;(IPC1-7):H04N7/16;G11B27/32 主分类号 H04N5/91
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